Filter housing



FIG. 1 is a perspective view of the new filter housing, showing my new design;

FIG. 2 is a side view thereof the material shown is dotted line not being a part of my design;

FIG. 3 is a top view thereof; and,

FIG. 4 is a plan view thereof, the material shown in dotted lines not being a part of my design. 

I claim the ornamental design for a filter housing, as shown and described. 